Cheap flights from Ontario, CA to Dublin, Ireland
Flights starting at £257. Choose between Aer Lingus, JetBlue Airways, or Frontier Airlines to find the best price.
Make your travel wishlist, we'll do the rest
Hidden deals
Kiwi-Code uncovers prices airlines don't want you to see.
Effortless booking
Use our flexible filters to tailor your search.
Travel hacking
Look out for the travel hack star icon for even cheaper fares.
Tips to know when travelling to Dublin
Receive exclusive deals by email
By subscribing you agree to receive offers according to the conditions described in our Privacy Policy.
The most popular airlines for this route are Aer Lingus, JetBlue Airways, Frontier Airlines, British Airways, and Iberia Airlines. Ontario and Dublin have 294 direct flights per week. When you arrive at Dublin, consider visiting Caernarfon, Rock of Cashel, Bru Na Boinne Neolithic Site (County Meath, Ireland), Trinity College, Dublin, and Portmeirion.
Check-in for a flight from Ontario to Dublin
Name | Carrier code | IATA Code | Passport needed during booking | Online check-in available |
---|---|---|---|---|
Aer Lingus | EIN | EI | No | Opens 48 days before flight Closes 5 hours before flight |
JetBlue Airways | JBU | B6 | No | Opens 24 days before flight Closes 2 hours before flight |
Frontier Airlines | FFT | F9 | No | Opens 24 days before flight Closes 1 hours before flight |
British Airways | BAW | BA | No | 0 0 |
Iberia Airlines | IBE | IB | Yes | Opens 24 days before flight Closes 3 hours before flight |
Weather in Dublin
Average Weather
Month | Average monthly max temperature | Average monthly min temperature |
January | 7°C | 3°C |
February | 8°C | 3°C |
March | 9°C | 3°C |
April | 10°C | 5°C |
May | 13°C | 7°C |
June | 16°C | 10°C |
July | 17°C | 12°C |
August | 17°C | 12°C |
September | 16°C | 10°C |
October | 13°C | 9°C |
November | 10°C | 6°C |
December | 8°C | 4°C |
14 day forecast
Frequently asked questions
Planning a trip? Thanks to our Virtual Interlining algorithm, we offer billions of route combinations between any A and any B in the world by plane, train, and bus. Find the cheapest routes and best deals for you, as well as the best dates on which to travel.
Explore alternative trips
Flights from Ontario
- Flights from Ontario to Orlando
- Flights from Ontario to New York
- Flights from Ontario to Denver
- Flights from Ontario to London
- Flights from Ontario to Austin
- Flights from Ontario to Las Vegas
- Flights from Ontario to Boston
- Flights from Ontario to San Francisco
- Flights from Ontario to Stockton
- Flights from Ontario to Richmond
- Flights from Ontario to Jacksonville
- Flights from Ontario to Detroit
- Flights from Ontario to Manchester
- Flights from Ontario to Indianapolis
- Flights from Ontario to Bengaluru
- Flights from Ontario to Minneapolis
- Flights from Ontario to Boise
- Flights from Ontario to Cincinnati
- Flights from Ontario to Oklahoma City
- Flights from Ontario to Guatemala City
Flights to Dublin
- Flights from London to Dublin
- Flights from Manchester to Dublin
- Flights from Birmingham to Dublin
- Flights from Vancouver to Dublin
- Flights from Budapest to Dublin
- Flights from Toronto to Dublin
- Flights from New York to Dublin
- Flights from Glasgow to Dublin
- Flights from Bristol to Dublin
- Flights from Edinburgh to Dublin
- Flights from Athens to Dublin
- Flights from Leeds to Dublin
- Flights from Paris to Dublin
- Flights from Bucharest to Dublin
- Flights from Istanbul to Dublin
- Flights from Kraków to Dublin
- Flights from Madrid to Dublin
- Flights from Geneva to Dublin
- Flights from São Paulo to Dublin
- Flights from Barcelona to Dublin
Popular routes
- Flights from London to Bucharest
- Flights from London to Barcelona
- Flights from Montevideo to Bengaluru
- Flights from Beirut to San Jose
- Flights from Santo Domingo to Myrtle Beach
- Flights from Richmond to Santa Marta
- Flights from Istanbul to Tuxtla Gutiérrez
- Flights from Frankfurt to Wichita
- Flights from Los Angeles to Patna
- Flights from Pereira to Zürich
- Flights from Medellín to Midland
- Flights from León to Kathmandu